Website Uptime Checker

Check whether any website or server is reachable right now with global latency diagnostics

Check Uptime for Popular Services

google.com github.com cloudflare.com amazon.com microsoft.com apple.com

How Uptime Checking Works

Our uptime bot performs low-latency synthetic probes over HTTPS and HTTP from 6 global distributed geographic regions. We evaluate DNS latency, TCP handshake, TLS negotiation, and response HTTP status codes (200 OK).